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windowsupdate.exe

installation manager

Firseria

The setup program uses the Firseria/Solimba AppInstaller (DownloadMR) which is a monetization download manager that bundles additional adware offers, typically by wrapping legitimate applications. The application windowsupdate.exe by Firseria has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Firseria·SL  (signed by Firseria)

Product:
installation manager

Description:
installer_setup

Version:
3.1.14.2

MD5:
e2a40c778dec474f3b4d4c4eb9a6d42f

SHA-1:
6d0cec6ada893e5613c4fb52dbbbac13c2918e34

SHA-256:
4fbc9c1fc3e4b5589aacdddf1977e4dbd53cd8349ef5645bf7940ddfd3e1f497

Scanner detections:
23 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/27/2024 6:34:25 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Firseria.I
923

AhnLab V3 Security
PUP/Win32.Firseria
2014.07.20

Avira AntiVirus
APPL/Bundler.Firseria.A.28
7.11.163.2

avast!
Win32:Firseria-C [PUP]
140617-1

AVG
Solimba
2015.0.3408

Baidu Antivirus
Adware.Win32.Fiseria
4.0.3.14726

Bitdefender
Application.Bundler.Firseria.I
1.0.20.1035

Comodo Security
Application.Win32.Firseria.ATWO
18969

Dr.Web
Adware.Downware.4802
9.0.1.05190

ESET NOD32
Win32/FirseriaInstaller (variant)
8.10153

F-Secure
Application.Bundler.Firseria
11.2014-26-07_7

G Data
Win32.Application.Morstar
14.7.24

IKARUS anti.virus
PUA.Solimba
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.181.12846

Kaspersky
not-a-virus:AdWare.Win32.Fiseria
15.0.0.494

Malwarebytes
PUP.Optional.Firseria
v2014.07.19.03

MicroWorld eScan
Application.Bundler.Firseria.I
15.0.0.621

NANO AntiVirus
Riskware.Win32.Fiseria.dcjigc
0.28.2.60881

Panda Antivirus
Trj/Genetic.gen
14.07.19.03

Reason Heuristics
PUP.Installer.Firseria.N
14.8.15.17

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4782980
31208

File size:
540.4 KB (553,376 bytes)

Product version:
3.1.18

Copyright:
copyright © 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\windowsupdate.exe

Digital Signature
Signed by:
Firseria

Authority:
GlobalSign nv-sa

Valid from:
11/11/2013 3:34:44 PM

Valid to:
11/12/2014 3:34:44 PM

Subject:
E=support@solimba.com, CN=Firseria, O=Firseria, L=Badalona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112130C3B28D7C9C29B8B07321EF3F8A1462

File PE Metadata
Compilation timestamp:
6/29/2014 2:41:36 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:8xLzMJ8JozBYfw6z7O90dSatRrT88pnWis8B:8xsJ8JoqfzXA03PRTs8B

Entry address:
0xF48C

Entry point:
E8, 9A, 77, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D8, F3, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 6C, F0, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 60, 64, 42, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 64...
 
[+]

Entropy:
7.3488

Code size:
118.5 KB (121,344 bytes)

The file windowsupdate.exe has been seen being distributed by the following URL.

http://www.652ddc6a.com/slm.php?transaction_id=10287cac054b11935760c5bafb845e&lpin=wud.exe&lpname=WindowsUpdate&wrp=&sub=1138&offer_id=2417&url_id={url_id}&aff_sub=732723&aff_sub2=21823183&aff_sub3=&aff_sub4=

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